Write three-dimensional formulas for the (S) isomers of (a)...

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Key Concepts

Cahn-Ingold-Prelog Priority Rules

These are a set of rules used to assign priorities to the substituents around a stereocenter. By ranking the groups based on atomic number and connectivity, one can determine the absolute configuration (R or S) of the stereocenter in complex molecules.

Three-dimensional Molecular Representations

This concept refers to the methods used to depict molecules in three dimensions, such as using wedge-and-dash notation. This notation conveys the spatial orientation of bonds, essential for visualizing and understanding the precise configuration of chiral centers in molecules.

Chirality and Stereoisomerism

This concept involves the study of molecules that are not superimposable on their mirror images, known as enantiomers. The specific S configuration is one of two possible arrangements around a stereocenter, with the assignment determined by the spatial arrangement of substituents following established priority rules.

Stereogenic Centers

A stereogenic center is an atom, typically a carbon, bonded to four different groups, giving rise to chirality. The arrangement of these substituents in three-dimensional space defines whether the center has an S (sinister) or R (rectus) configuration.

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